.introduction_content {
  width: 60vw;
  margin: 0 auto;
  h3 {
    font-size: 24px;
    font-weight: 600;
    line-height: 2vw;

  }
  p{
    text-indent:1.6vw;
    text-align: left;
    line-height: 2vw;

  }
}
